The Giants' Graves are the remains of two Neolithic chambered tombs on the Isle of Arran. They are situated within 40 metres of each other, and stand on a ridge 120 metres above the sea in a clearing in a forest, overlooking Whiting Bay to the south.
The northern cairn has been much robbed, but the edges are still well-defined. The chamber is 6 metres long, and around 1 metre wide. It was excavated in 1902, and among the artifacts recovered were pottery shards, flint knives, and leaf-shaped arrowheads.
The southern cairn is at right angles to the larger northern cairn. The chamber is about 4 metres long, and over 1 metre wide. Excavations in 1902 only revealed soil and stones, however in 1961-1962 further exploration produced nine sherds of a round-based vessel, and fragments of burnt bone.
References:The Clementinum is a historic complex of buildings in Prague. Until recently the complex hosted the National, University and Technical libraries, the City Library also being located nearby on Mariánské Náměstí. The Technical library and the Municipal library have moved to the Prague National Technical Library at Technická 6 since 2009. It is currently in use as the National Library of the Czech Republic.
Its history dates from the existence of a chapel dedicated to Saint Clement in the 11th century. A Dominican monastery was founded in the medieval period, which was transformed in 1556 to a Jesuit college. In 1622 the Jesuits transferred the library of Charles University to the Klementinum, and the college was merged with the University in 1654. The Jesuits remained until 1773, when the Klementinum was established as an observatory, library, and university by the Empress Maria Theresa of Austria.